/ˈmæsɪkəʊ/ · noun
(chemistry) lead monoxide, PbO, obtained as a yellow amorphous powder, the fused and crystalline form of which is called litharge; lead ocher. It is used as a pigment; also, lead oxide yellow, as opposed to red lead, which is lead tetroxide Pb₃O₄..
Besides orpiment, already referred to, one occasionally gets mention of massicot, a yellow lead paint.
Choose a synonym only when it preserves the intended meaning, tone, and grammar of the full sentence.
Massicot means (chemistry) lead monoxide, PbO, obtained as a yellow amorphous powder, the fused and crystalline form of which is called litharge; lead ocher. It is used as a pigment; also, lead oxide yellow, as opposed to red lead, which is lead tetroxide Pb₃O₄..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Besides orpiment, already referred to, one occasionally gets mention of massicot, a yellow lead paint.
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